This regulation is promulgated by the department of ecology under authorities and procedures provided in chapter 171, Laws of 1989 after notification as provided in chapter 34.05 RCW.

[Statutory Authority: RCW 43.83B.420. WSR 91-03-081 (Order 90-53), § 173-166-020, filed 1/17/91, effective 2/17/91. Statutory Authority: 1977 c 339 § 75. WSR 78-04-019 (Order 78-3), § 173-166-020, filed 3/10/78.]

PDFWAC 173-166-020

Authority.